Table 3.
The amount of TBA formed versus MtBE degraded [mol%] in anaerobic microcosms
| Enrichment source | Amendment | Amount of TBA formed versus MtBE degraded [average ± st. dev in mol%] | References |
|---|---|---|---|
| MtBE-degrading culture in batch | Medium | 4.4 ± 4.8 | This study |
| MtBE-degrading culture in batch | 2.35 mM iron + medium | 31.6 ± 2.9 | This study |
| MtBE-degrading culture in batch | None | 21.5 ± 4.0 | This study |
| 10% sediment underwater site Arthur Kill estuarine inlet | None | 100 | Liu et al. (2016) |
| Sediment wash water, bioreactor sludge, Port Hueneme | 9 mM ferric chloride | ± 100 | Pruden et al. (2005) |
| Sediment underwater site Arthur Kill estuarine inlet | None | 54.5 | Somsamak et al. (2005) |
| Coronado cays, estuarine site | 20 mM sodium sulfate None |
77.5 ± 4.9 97.5 ± 9.2 |
Somsamak et al. (2006) |
| Sediment underwater site Arthur Kill estuarine inlet | 20 mM sodium sulfate | 100 | Somsamak et al. (2001) |
| Bed sediment Charleston Bed sediment Pensacola |
4.6 mM nitrate 7.3 mM nitrate |
0 1 |
Bradley et al. (2001b) |
| Sediment from Cecil Field, Oasis, and Picatinny Arsenala | 4.1 mM nitrate 126.5 mM Manganese(IV) 102.9 mM iron(III) 11.5 mM sulfate None |
0 5.3 ± 1.7 7 ± 2 4.3 ± 2.7 9 ± 1 |
Bradley et al. (2001a) |
| Slurry Ohio River | 5 mM sodium sulfate | 100 | Mormile et al. (1994) |
aAverage amount of TBA degradation calculated over the three different locations for the specific amendment